<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="../00.依赖包/react.development.js"></script>
  <script src="../00.依赖包/react-dom.development.js"></script>
  <script src="../00.依赖包/babel.min.js"></script>
</head>

<body>
  <button id="btn">点击按钮,重新渲染虚拟dom</button>
  <div id="app"></div>
  <script type="text/babel">
    const vDom = (
      <div>
        <h1>标题</h1>
        <p>diff算法</p>
      </div>
    )
    const root =  ReactDOM.createRoot(document.getElementById('app'))
    root.render(vDom)
    //给按钮绑定事件
    const oBtn = document.getElementById('btn')
    oBtn.onclick=function(){
      const vDom = (
      <div>
        <h1>标题</h1>
        <p>diff算法NB</p>
      </div>
    )
    root.render(vDom)
    }

    
  </script>
</body>

</html>